| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | Austria | 3 | |
| #3 | Switzerland | 3 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Fluid heaters | |
| #2 | Steam generation | |
| #3 | Heat-exchange device details | |
| #4 | Domestic heating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Otte Laurenz | 3 |
| #2 | Laurenz Otte | 3 |
| #3 | Geng Gerhard | 3 |
| #4 | Noeh Hubert | 1 |
| #5 | Kosch Heinz Robert | 1 |
| #6 | Kosch Heinz-Robert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2402107A1 | Multi-flue boiler - has second and third flues interconnected by reversal chamber at burner end | |
| DE2324085A1 | MULTIPLE FLAME TUBE BOILER | |
| DE2319559A1 | HEAT EXCHANGER DEVICE | |
| DE2308956A1 | MULTIPLE FLAME TUBE BOILER | |
| DE1931148A1 | Conical flue gas duct | |
| DE1811941B1 | Device for domestic water heating |